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. >> reporter: mike dickinson works for noble energy, which is doubling its production in weld county. this oil field stretches from colorado into wyoming. in 2008, it produced 83,000 barrels of oil, yet this year it is expected to reach nearly ten million barrels. how different is the technology that we're seeing here today versus what you were doing out here a couple of years ago? >> it's unrecognizable today compared to what we were doing just two or three years ago. >> reporter: oil companies used to mainly drill vertical wells, hitting one pool of oil. but now they are rapidly converting to horizontal wells up to a mile long and combining them with fracking operations which split open rocks, releasing oil once considered out of reach. and one drilling rigs can now install multiple wells in one location, making it more cost- efficient. a horizontal well produces seven to ten times more oil than a vertical well. >> today, we're not running any vertical rigs, and we're running eight horizontals. >> reporter: so this really is the future of what you're doing out here. >> it is. >> reporter: th
very much energy, but his doctors are said to be "cautiously optimistic," and they believe they have all of his health issues in hand. jim. >> axelrod: thank you, bob. the news is better for south africa's former president, nelson mandela. he was released from the hospital today. mandela, who is 94, is being treated for a lung infection. he's had a history of lung problems since contracting tuberculosis during his time in prison while fighting apartheid. mandela will now receive home- based treatment in johannesburg. what happens when kids have to face cancer when there's a shortage of drugs? and volunteers who battled fire during sandy band together for another rescue, when the "cbs evening news" conditions. h paci. i got mine in iraq, 2003. usaa auto insurance is often handed down from generation to generation. because it offers a superior level of protection, and because usaa's commitment to serve the military, veterans and their families is without equal. begin your legacy, get an auto insurance quote. usaa. we know what it means to serve. but with advair, i'm breathing better. s
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